<template>
  <div class="login_container">
    <div class="login_box">
      <!-- 头像 -->
      <div class="avatar_box">
        <img src="@/assets/img/login_logo.png" alt="" />
      </div>
      <!-- 登陆表单 -->
      <el-form ref="loginFormRef" class="login_form" :model="form" :rules="rules">
        <!-- 用户名 -->
        <el-form-item prop="username">
          <el-input prefix-icon="el-icon-user-solid" v-model="form.username" ></el-input>
        </el-form-item>
        <!-- 密码 -->
        <el-form-item prop="password">
          <el-input prefix-icon="el-icon-lock" v-model="form.password" type="password"></el-input>
        </el-form-item>
        <!-- 按钮 -->
        <el-form-item class="btns">
          <el-button type="primary" @click="login">登录</el-button>
          <el-button type="info" @click="resetLoginForm">重置</el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>

<script>
import {validateLogon} from '@/api/utils'
export default {
  name: "Login",
  data () {
    return {
      form:{
        username:'',
        password:''
      },
      rules:{
        username:[
          {required: true, message:'请输入用户名', trigger: 'blur'},
          { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' }
        ],
        password:[
          {required: true, message:'请输入密码', trigger: 'blur'},
          { min: 6, max: 15, message: '长度在 6 到 15 个字符', trigger: 'blur' }
        ]
      }
    }
  },
  methods:{
    resetLoginForm(){
      this.$refs.loginFormRef.resetFields()
    },
    login(){
      let that=this
      this.$refs.loginFormRef.validate(valid=>{
        if(!valid){
          return
        }else{
          validateLogon(this.form.username,this.form.password).then(res=>{
            // console.log(res);
            if (res.meta.status!='200') {
              that.$message.error('登陆失败')
            }else{
              that.$message.success('登录成功')
              window.sessionStorage.setItem('token',res.data.token)
              that.$router.push('/home')
            }
          })
        }
      })
    }
  }
};
</script>

<style lang="less" scoped>
.login_container {
  background: linear-gradient(to right, #BBD2C5, #536976,#292E49);
  height: 100%;
}
.login_box {
  width: 450px;
  height: 300px;
  background-color: #fff;
  border-radius: 8px;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);

  .avatar_box {
    height: 130px;
    width: 130px;
    border: 1px solid #eee;
    border-radius: 50%;
    padding: 10px;
    box-shadow: 0 0 10px #ddd;
    position: absolute;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: #fff;
    img {
      width: 100%;
      height: 100%;
      border-radius: 50%;
      background-color: #eee;
    }
  }
}
.login_form{
  position: absolute;
  bottom: 0;
  width: 100%;
  padding: 0 20px;
  box-sizing: border-box;
}
.btns{
  display: flex;
  justify-content: flex-end;
}
</style>